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-rw-r--r--sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h b/sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h
index 1b1aea1283..07f6148be5 100644
--- a/sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h
+++ b/sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h
@@ -38,4 +38,6 @@ typedef unsigned char sa_family_t;
#define __SOCKADDR_COMMON_SIZE (2 * sizeof (unsigned char))
+#define _HAVE_SA_LEN 1 /* We have the sa_len field. */
+
#endif /* bits/sockaddr.h */